Java面向对象例题总结
这次Java例题做的不是很好。
例题一的代码如下。
1 import java.util.Date; 2 import java.util.ArrayList; 3 import java.text.ParseException; 4 import java.text.SimpleDateFormat; 5 import java.util.Date; 6 import java.util.Scanner; 7 import java.util.regex.*; 8 9 abstract class CallChargeRule extends ChargeRule{ 10 11 public CallChargeRule() { 12 // TODO Auto-generated constructor stub 13 } 14 15 } 16 class CallRecord { 17 18 private Date startTime; 19 private Date endTime; 20 private String callingAddressAreaCode; 21 private String answerAddressAreaCode; 22 23 public CallRecord(Date date,Date date2,String callingAddressAreaCode,String answerAddressAreaCode) { 24 this.answerAddressAreaCode = answerAddressAreaCode; 25 this.callingAddressAreaCode = callingAddressAreaCode; 26 this.startTime = date; 27 this.endTime = date2; 28 } 29 30 public Date getStartTime() { 31 return startTime; 32 } 33 34 public void setStartTime(Date startTime) { 35 this.startTime = startTime; 36 } 37 38 public Date getEndTime() { 39 return endTime; 40 } 41 42 public void setEndTime(Date endTime) { 43 this.endTime = endTime; 44 } 45 46 public String getCallingAddressAreaCode() { 47 return callingAddressAreaCode; 48 } 49 50 public void setCallingAddressAreaCode(String callingAddressAreaCode) { 51 this.callingAddressAreaCode = callingAddressAreaCode; 52 } 53 54 public String getAnswerAddressAreaCode() { 55 return answerAddressAreaCode; 56 } 57 58 public void setAnswerAddressAreaCode(String answerAddressAreaCode) { 59 this.answerAddressAreaCode = answerAddressAreaCode; 60 } 61 62 } 63 abstract class ChargeMode { 64 65 private ArrayList例题一代码chargeRules; 66 67 public ChargeMode() { 68 chargeRules = new ArrayList (); 69 } 70 71 public ArrayList getChargeRules() { 72 return chargeRules; 73 } 74 75 public void setChargeRules(ArrayList chargeRules) { 76 this.chargeRules = chargeRules; 77 } 78 79 public abstract double calCost(UserRecords userRecords); 80 81 public abstract double getMonthlyRent(); 82 83 } 84 abstract class ChargeRule { 85 86 public ChargeRule() { 87 // TODO Auto-generated constructor stub 88 } 89 90 public abstract double calCost(ArrayList callRecords); 91 92 } 93 abstract class CommunicationRecord { 94 95 private String callingNumber; 96 private String answerNumber; 97 98 public String getCallingNumber() { 99 return callingNumber; 100 } 101 public void setCallingNumber(String callingNumber) { 102 this.callingNumber = callingNumber; 103 } 104 public String getAnswerNumber() { 105 return answerNumber; 106 } 107 public void setAnswerNumber(String answerNumber) { 108 this.answerNumber = answerNumber; 109 } 110 111 } 112 class LandlinePhoneCharging extends ChargeMode { 113 114 private double monthlyRent; 115 116 public LandlinePhoneCharging(double monthlyRent) { 117 this.monthlyRent = monthlyRent; 118 } 119 120 public double calCost(UserRecords userRecords) { 121 // TODO Auto-generated method stub 122 double cost = 0; 123 for(CallRecord i : userRecords.getCallingInCityRecords()) { 124 cost += (int)Math.ceil((i.getEndTime().getTime() - i.getStartTime().getTime()) * 1.0 / 60 / 1000) * 0.1; 125 } 126 for(CallRecord i : userRecords.getCallingInProvinceRecords()) { 127 cost += (int)Math.ceil((i.getEndTime().getTime() - i.getStartTime().getTime()) * 1.0 / 60 / 1000) * 0.3; 128 } 129 for(CallRecord i : userRecords.getCallingInLandRecords()) { 130 cost += (int)Math.ceil((i.getEndTime().getTime() - i.getStartTime().getTime()) * 1.0 / 60 / 1000) * 0.6; 131 } 132 return cost; 133 } 134 135 @Override 136 public double getMonthlyRent() { 137 // TODO Auto-generated method stub 138 return monthlyRent; 139 } 140 141 } 142 class LandPhoneInCityRule extends CallChargeRule { 143 144 public LandPhoneInCityRule() { 145 // TODO Auto-generated constructor stub 146 } 147 148 @Override 149 public double calCost(ArrayList callRecords) { 150 // TODO Auto-generated method stub 151 return 0; 152 } 153 154 } 155 class LandPhoneInlandRule extends CallChargeRule { 156 157 public LandPhoneInlandRule() { 158 // TODO Auto-generated constructor stub 159 } 160 161 @Override 162 public double calCost(ArrayList callRecords) { 163 // TODO Auto-generated method stub 164 return 0; 165 } 166 167 } 168 class LandPhoneInProvinceRule extends CallChargeRule { 169 170 public LandPhoneInProvinceRule() { 171 // TODO Auto-generated constructor stub 172 } 173 174 @Override 175 public double calCost(ArrayList callRecords) { 176 // TODO Auto-generated method stub 177 return 0; 178 } 179 180 } 181 class MessageRecord extends CommunicationRecord { 182 183 private String message; 184 185 public MessageRecord(String message,String callingNumber,String answerNumber) { 186 this.message = message; 187 this.setCallingNumber(callingNumber); 188 this.setAnswerNumber(answerNumber); 189 } 190 191 public String getMessage() { 192 return message; 193 } 194 195 public void setMessage(String message) { 196 this.message = message; 197 } 198 199 } 200 class User { 201 202 private UserRecords userRecords; 203 private double balance; 204 private ChargeMode chargeMode; 205 private String number; 206 207 public User(String number,double money) { 208 userRecords = new UserRecords(); 209 chargeMode = new LandlinePhoneCharging(20); 210 this.balance = money; 211 this.number = number; 212 } 213 214 public double calBalance() { 215 return balance - calCost() - chargeMode.getMonthlyRent(); 216 } 217 218 public double calCost() { 219 return chargeMode.calCost(userRecords); 220 } 221 222 public UserRecords getUserRecords() { 223 return userRecords; 224 } 225 226 public void setUserRecords(UserRecords userRecords) { 227 this.userRecords = userRecords; 228 } 229 230 public double getBalance() { 231 return balance; 232 } 233 234 public void setBalance(double balance) { 235 this.balance = balance; 236 } 237 238 public ChargeMode getChargeMode() { 239 return chargeMode; 240 } 241 242 public void setChargeMode(ChargeMode chargeMode) { 243 this.chargeMode = chargeMode; 244 } 245 246 public String getNumber() { 247 return number; 248 } 249 250 public void setNumber(String number) { 251 this.number = number; 252 } 253 254 } 255 class UserData { 256 257 private ArrayList users; 258 259 public UserData() { 260 users = new ArrayList (); 261 } 262 263 public void addUser(User user) { 264 int x = 0; 265 for(int i = 0;i < users.size();i ++) { 266 if(user.getNumber().compareTo(users.get(i).getNumber()) < 0) { 267 users.add(i, user); 268 x = 1; 269 break; 270 } 271 else if(user.getNumber().compareTo(users.get(i).getNumber()) == 0) { 272 return; 273 } 274 } 275 if(x == 0) { 276 users.add(users.size(),user); 277 } 278 } 279 280 public void removeUser(User user) { 281 users.remove(user); 282 } 283 284 public ArrayList getUsers() { 285 return users; 286 } 287 288 public String show() { 289 String a = ""; 290 for(User i : users) { 291 a += ( i.getNumber() + " " + String.format("%.1f", i.calCost()) + " " + String.format("%.1f", i.calBalance()) + "\n"); 292 } 293 return a; 294 } 295 296 public User phoneNumberFindUser(String number) { 297 for(User i : users) { 298 if(i.getNumber().equals(number)) { 299 return i; 300 } 301 } 302 return null; 303 } 304 305 } 306 class UserRecords { 307 308 private ArrayList callingInCityRecords; 309 private ArrayList callingInProvinceRecords; 310 private ArrayList callingInLandRecords; 311 private ArrayList answerInCityRecords; 312 private ArrayList answerInProvinceRecords; 313 private ArrayList answerInLandRecords; 314 private ArrayList sendMessageRecords; 315 private ArrayList receiveMessageRecords; 316 317 public UserRecords() { 318 callingInCityRecords = new ArrayList (); 319 callingInCityRecords = new ArrayList (); 320 callingInProvinceRecords = new ArrayList (); 321 callingInLandRecords = new ArrayList (); 322 answerInCityRecords = new ArrayList (); 323 answerInProvinceRecords = new ArrayList (); 324 answerInLandRecords = new ArrayList (); 325 sendMessageRecords = new ArrayList (); 326 receiveMessageRecords = new ArrayList (); 327 } 328 329 public void addCallingInCityRecords(CallRecord callRecord) { 330 this.callingInCityRecords.add(callRecord); 331 } 332 333 public void addCallingInProvinceRecords(CallRecord callRecord) { 334 this.callingInProvinceRecords.add(callRecord); 335 } 336 337 public void addCallingInLandRecords(CallRecord callRecord) { 338 this.callingInLandRecords.add(callRecord); 339 } 340 341 public void addAnswerInCityRecords(CallRecord callRecord) { 342 this.answerInCityRecords.add(callRecord); 343 } 344 345 public void addAnswerInProvinceRecords(CallRecord callRecord) { 346 this.answerInProvinceRecords.add(callRecord); 347 } 348 349 public void addAnswerInLandRecords(CallRecord callRecord) { 350 this.answerInLandRecords.add(callRecord); 351 } 352 353 public void addSendMessageRecords(MessageRecord messageRecord) { 354 this.sendMessageRecords.add(messageRecord); 355 } 356 357 public void addReceiveMessageRecords(MessageRecord messageRecord) { 358 this.receiveMessageRecords.add(messageRecord); 359 } 360 361 public ArrayList getCallingInCityRecords() { 362 return callingInCityRecords; 363 } 364 365 public ArrayList getCallingInProvinceRecords() { 366 return callingInProvinceRecords; 367 } 368 369 public ArrayList getCallingInLandRecords() { 370 return callingInLandRecords; 371 } 372 373 public ArrayList getAnswerInCityRecords() { 374 return answerInCityRecords; 375 } 376 377 public ArrayList getAnswerInProvinceRecords() { 378 return answerInProvinceRecords; 379 } 380 381 public ArrayList getAnswerInLandRecords() { 382 return answerInLandRecords; 383 } 384 385 public ArrayList getSendMessageRecords() { 386 return sendMessageRecords; 387 } 388 389 public ArrayList getReceiveMessageRecords() { 390 return receiveMessageRecords; 391 } 392 393 } 394 395 public class Main { 396 397 private static UserData userData = new UserData(); 398 399 public static int isleap(int year) { 400 if(year % 4 == 0 && year % 100 !=0 || year % 400 == 0) { 401 return 1; 402 } 403 return 0; 404 } 405 406 public static boolean checkDate(int y,int m,int d) { 407 int monthday[][] = {{0,31,28,31,30,31,30,31,31,30,31,30,31},{0,31,29,31,30,31,30,31,31,30,31,30,31}}; 408 if(y >= 0 && m <=12 && m >= 1 && d >=1 && d <= monthday[isleap(y)][m]) { 409 return true; 410 } 411 return false; 412 } 413 414 public static boolean checkInputone(String a) { 415 if(Pattern.matches("u-\\d{11,12} 0",a)) { 416 return true; 417 } 418 else if(Pattern.matches("t-\\d{11,12} \\d{11,12} \\d{1,}.\\d{1,2}.\\d{1,2} ([0-1][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9] \\d{1,}.\\d{1,2}.\\d{1,2} ([0-1][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9]",a)) { 419 String b[] = a.split(" "); 420 String c[] = b[2].split("\\."); 421 String d[] = b[4].split("\\."); 422 for(int i = 0;i < 3;i ++) { 423 if(c[i].charAt(0) == '0' || d[i].charAt(0) == '0') { 424 return false; 425 } 426 } 427 if(checkDate(Integer.parseInt(c[0]),Integer.parseInt(c[1]),Integer.parseInt(c[2])) && checkDate(Integer.parseInt(d[0]),Integer.parseInt(d[1]),Integer.parseInt(d[2]))) { 428 return true; 429 } 430 } 431 return false; 432 } 433 434 public static ArrayList checkInput(ArrayList a) { 435 for(int i = 0;i < a.size();i ++) { 436 if(!checkInputone(a.get(i))) { 437 a.remove(i); 438 } 439 } 440 return a; 441 } 442 443 public static ArrayList getInput() { 444 ArrayList a = new ArrayList (); 445 Scanner in = new Scanner(System.in); 446 String b = in.nextLine(); 447 while(!b.equals("end")) { 448 a.add(b); 449 b = in.nextLine(); 450 } 451 return checkInput(a); 452 } 453 454 public static String ugetNumber(String a) { 455 String b = ""; 456 for(int i = 2;i < a.length();i ++) { 457 if(a.charAt(i) == ' ') { 458 break; 459 } 460 else { 461 b += a.charAt(i); 462 } 463 } 464 return b; 465 } 466 467 public static String processDate(String a) { 468 String b = ""; 469 for(int i = 0;i < a.length();i ++) { 470 b += a.charAt(i); 471 if(a.charAt(i) == '.') { 472 for(int j = i + 1;j < a.length();j ++) { 473 if(a.charAt(j) == '.' || a.charAt(j) == ' ') { 474 if(j == i + 2) { 475 b += '0'; 476 } 477 break; 478 } 479 } 480 } 481 } 482 return b; 483 } 484 485 public static void workone(String a) throws ParseException { 486 if(a.charAt(0) == 'u') { 487 userData.addUser(new User(ugetNumber(a),100)); 488 } 489 else if(a.charAt(0) == 't') { 490 a = a.substring(2); 491 String b[] = a.split(" "); 492 SimpleDateFormat sdf =new SimpleDateFormat("yyyy.MM.dd HH:mm:ss"); 493 Date startDate = sdf.parse(processDate(b[2] + " " + b[3])); 494 Date endDate = sdf.parse(processDate(b[4] + " " + b[5])); 495 if(b[0].substring(0, 4).equals(b[1].substring(0, 4))) { 496 if(userData.phoneNumberFindUser(b[0]) != null && startDate.getTime() < endDate.getTime()){ 497 userData.phoneNumberFindUser(b[0]).getUserRecords().addCallingInCityRecords(new CallRecord(startDate,endDate,b[0].substring(0, 4),b[1].substring(0, 4))); 498 } 499 if(userData.phoneNumberFindUser(b[1]) != null && startDate.getTime() < endDate.getTime()) { 500 userData.phoneNumberFindUser(b[1]).getUserRecords().addAnswerInCityRecords(new CallRecord(startDate,endDate,b[0].substring(0, 4),b[1].substring(0, 4))); 501 } 502 } 503 else { 504 if((b[0].substring(0, 3).equals("079") || b[0].substring(0, 4).equals("0701")) && (b[1].substring(0, 3).equals("079") || b[1].substring(0, 4).equals("0701"))) { 505 if(userData.phoneNumberFindUser(b[0]) != null && startDate.getTime() < endDate.getTime()){ 506 userData.phoneNumberFindUser(b[0]).getUserRecords().addCallingInProvinceRecords(new CallRecord(startDate,endDate,b[0].substring(0, 4),b[1].substring(0, 4))); 507 } 508 if(userData.phoneNumberFindUser(b[1]) != null && startDate.getTime() < endDate.getTime()) { 509 userData.phoneNumberFindUser(b[1]).getUserRecords().addAnswerInProvinceRecords(new CallRecord(startDate,endDate,b[0].substring(0, 4),b[1].substring(0, 4))); 510 } 511 } 512 else { 513 if(userData.phoneNumberFindUser(b[0]) != null && startDate.getTime() < endDate.getTime()){ 514 userData.phoneNumberFindUser(b[0]).getUserRecords().addCallingInLandRecords(new CallRecord(startDate,endDate,b[0].substring(0, 4),b[1].substring(0, 4))); 515 } 516 if(userData.phoneNumberFindUser(b[1]) != null && startDate.getTime() < endDate.getTime()) { 517 userData.phoneNumberFindUser(b[1]).getUserRecords().addAnswerInLandRecords(new CallRecord(startDate,endDate,b[0].substring(0, 4),b[1].substring(0, 4))); 518 } 519 } 520 } 521 } 522 } 523 524 public static void work(ArrayList a) { 525 for(String i : a) { 526 try { 527 workone(i); 528 } catch (ParseException e) { 529 // TODO Auto-generated catch block 530 e.printStackTrace(); 531 } 532 } 533 } 534 535 public static String getOutput(ArrayList a) { 536 work(a); 537 return userData.show(); 538 } 539 540 public static void main(String[] args) { 541 System.out.printf(getOutput(getInput())); 542 } 543 544 }
例题一的代码有一个很大问题就是数据的存储是错误的，这是由于我没有充分理解这个题目的意思，或者是对电线收费的概念生疏。在储存数据的workone方法中，就能看出来这个错误。
例题二的代码如下。
import java.util.Date; import java.util.ArrayList; import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.Date; import java.util.Scanner; import java.util.regex.*; abstract class CallChargeRule extends ChargeRule{ public CallChargeRule() { // TODO Auto-generated constructor stub } } class CallRecord { private Date startTime; private Date endTime; private String callingAddressAreaCode; private String answerAddressAreaCode; public CallRecord(Date date,Date date2,String callingAddressAreaCode,String answerAddressAreaCode) { this.answerAddressAreaCode = answerAddressAreaCode; this.callingAddressAreaCode = callingAddressAreaCode; this.startTime = date; this.endTime = date2; } public Date getStartTime() { return startTime; } public void setStartTime(Date startTime) { this.startTime = startTime; } public Date getEndTime() { return endTime; } public void setEndTime(Date endTime) { this.endTime = endTime; } public String getCallingAddressAreaCode() { return callingAddressAreaCode; } public void setCallingAddressAreaCode(String callingAddressAreaCode) { this.callingAddressAreaCode = callingAddressAreaCode; } public String getAnswerAddressAreaCode() { return answerAddressAreaCode; } public void setAnswerAddressAreaCode(String answerAddressAreaCode) { this.answerAddressAreaCode = answerAddressAreaCode; } } abstract class ChargeMode { private ArrayList例题二代码chargeRules; public ChargeMode() { chargeRules = new ArrayList (); } public ArrayList getChargeRules() { return chargeRules; } public void setChargeRules(ArrayList chargeRules) { this.chargeRules = chargeRules; } public abstract double calCost(UserRecords userRecords); public abstract double getMonthlyRent(); } abstract class ChargeRule { public ChargeRule() { // TODO Auto-generated constructor stub } public abstract double calCost(ArrayList callRecords); } abstract class CommunicationRecord { private String callingNumber; private String answerNumber; public String getCallingNumber() { return callingNumber; } public void setCallingNumber(String callingNumber) { this.callingNumber = callingNumber; } public String getAnswerNumber() { return answerNumber; } public void setAnswerNumber(String answerNumber) { this.answerNumber = answerNumber; } } class LandlinePhoneCharging extends ChargeMode { private double monthlyRent; public LandlinePhoneCharging(double monthlyRent) { this.monthlyRent = monthlyRent; } public double calCost(UserRecords userRecords) { // TODO Auto-generated method stub double cost = 0; for(CallRecord i : userRecords.getCallingInCityRecords()) { if(i.getAnswerAddressAreaCode().equals(i.getCallingAddressAreaCode())) { cost += (int)Math.ceil((i.getEndTime().getTime() - i.getStartTime().getTime()) * 1.0 / 60 / 1000) * 0.1; } else if(Pattern.matches("(0701)|(079[0-9])",i.getAnswerAddressAreaCode())) { cost += (int)Math.ceil((i.getEndTime().getTime() - i.getStartTime().getTime()) * 1.0 / 60 / 1000) * 0.3; } else { cost += (int)Math.ceil((i.getEndTime().getTime() - i.getStartTime().getTime()) * 1.0 / 60 / 1000) * 0.6; } } return cost; } @Override public double getMonthlyRent() { // TODO Auto-generated method stub return monthlyRent; } } class LandPhoneInCityRule extends CallChargeRule { public LandPhoneInCityRule() { // TODO Auto-generated constructor stub } @Override public double calCost(ArrayList callRecords) { // TODO Auto-generated method stub return 0; } } class LandPhoneInlandRule extends CallChargeRule { public LandPhoneInlandRule() { // TODO Auto-generated constructor stub } @Override public double calCost(ArrayList callRecords) { // TODO Auto-generated method stub return 0; } } class LandPhoneInProvinceRule extends CallChargeRule { public LandPhoneInProvinceRule() { // TODO Auto-generated constructor stub } @Override public double calCost(ArrayList callRecords) { // TODO Auto-generated method stub return 0; } } class MessageRecord extends CommunicationRecord { private String message; public MessageRecord(String message,String callingNumber,String answerNumber) { this.message = message; this.setCallingNumber(callingNumber); this.setAnswerNumber(answerNumber); } public String getMessage() { return message; } public void setMessage(String message) { this.message = message; } } class User { private UserRecords userRecords; private double balance; private ChargeMode chargeMode; private String number; public User(String number,double money,ChargeMode chargeMode) { userRecords = new UserRecords(); this.chargeMode = chargeMode; this.balance = money; this.number = number; } public double calBalance() { return balance - calCost() - chargeMode.getMonthlyRent(); } public double calCost() { return chargeMode.calCost(userRecords); } public UserRecords getUserRecords() { return userRecords; } public void setUserRecords(UserRecords userRecords) { this.userRecords = userRecords; } public double getBalance() { return balance; } public void setBalance(double balance) { this.balance = balance; } public ChargeMode getChargeMode() { return chargeMode; } public void setChargeMode(ChargeMode chargeMode) { this.chargeMode = chargeMode; } public String getNumber() { return number; } public void setNumber(String number) { this.number = number; } } class UserData { private ArrayList users; public UserData() { users = new ArrayList (); } public void addUser(User user) { int x = 0; for(int i = 0;i < users.size();i ++) { if(user.getNumber().compareTo(users.get(i).getNumber()) < 0) { users.add(i, user); x = 1; break; } else if(user.getNumber().compareTo(users.get(i).getNumber()) == 0) { return; } } if(x == 0) { users.add(users.size(),user); } } public void removeUser(User user) { users.remove(user); } public ArrayList getUsers() { return users; } public String show() { String a = ""; for(User i : users) { a += ( i.getNumber() + " " + String.format("%.1f", i.calCost()) + " " + String.format("%.1f", i.calBalance())); if(!i.getNumber().equals(users.get(users.size() - 1).getNumber())){ a += "\n"; } } return a; } public User phoneNumberFindUser(String number) { for(User i : users) { if(i.getNumber().equals(number)) { return i; } } return null; } } class UserRecords { private ArrayList callingInCityRecords; private ArrayList callingInProvinceRecords; private ArrayList callingInLandRecords; private ArrayList answerInCityRecords; private ArrayList answerInProvinceRecords; private ArrayList answerInLandRecords; private ArrayList sendMessageRecords; private ArrayList receiveMessageRecords; public UserRecords() { callingInCityRecords = new ArrayList (); callingInCityRecords = new ArrayList (); callingInProvinceRecords = new ArrayList (); callingInLandRecords = new ArrayList (); answerInCityRecords = new ArrayList (); answerInProvinceRecords = new ArrayList (); answerInLandRecords = new ArrayList (); sendMessageRecords = new ArrayList (); receiveMessageRecords = new ArrayList (); } public void addCallingInCityRecords(CallRecord callRecord) { this.callingInCityRecords.add(callRecord); } public void addCallingInProvinceRecords(CallRecord callRecord) { this.callingInProvinceRecords.add(callRecord); } public void addCallingInLandRecords(CallRecord callRecord) { this.callingInLandRecords.add(callRecord); } public void addAnswerInCityRecords(CallRecord callRecord) { this.answerInCityRecords.add(callRecord); } public void addAnswerInProvinceRecords(CallRecord callRecord) { this.answerInProvinceRecords.add(callRecord); } public void addAnswerInLandRecords(CallRecord callRecord) { this.answerInLandRecords.add(callRecord); } public void addSendMessageRecords(MessageRecord messageRecord) { this.sendMessageRecords.add(messageRecord); } public void addReceiveMessageRecords(MessageRecord messageRecord) { this.receiveMessageRecords.add(messageRecord); } public ArrayList getCallingInCityRecords() { return callingInCityRecords; } public ArrayList getCallingInProvinceRecords() { return callingInProvinceRecords; } public ArrayList getCallingInLandRecords() { return callingInLandRecords; } public ArrayList getAnswerInCityRecords() { return answerInCityRecords; } public ArrayList getAnswerInProvinceRecords() { return answerInProvinceRecords; } public ArrayList getAnswerInLandRecords() { return answerInLandRecords; } public ArrayList getSendMessageRecords() { return sendMessageRecords; } public ArrayList getReceiveMessageRecords() { return receiveMessageRecords; } } class LandmobilePhoneCharging extends ChargeMode { private double monthlyRent; public LandmobilePhoneCharging(double monthlyRent) { this.monthlyRent = monthlyRent; } @Override public double calCost(UserRecords userRecords) { double cost = 0; for(CallRecord i : userRecords.getCallingInCityRecords()) { if(i.getAnswerAddressAreaCode().equals(i.getCallingAddressAreaCode())) { cost += (int)Math.ceil((i.getEndTime().getTime() - i.getStartTime().getTime()) * 1.0 / 60 / 1000) * 0.1; } else if(Pattern.matches("(0701)|(079[0-9])",i.getAnswerAddressAreaCode())) { cost += (int)Math.ceil((i.getEndTime().getTime() - i.getStartTime().getTime()) * 1.0 / 60 / 1000) * 0.2; } else { cost += (int)Math.ceil((i.getEndTime().getTime() - i.getStartTime().getTime()) * 1.0 / 60 / 1000) * 0.3; } } for(CallRecord i : userRecords.getCallingInProvinceRecords()) { cost += (int)Math.ceil((i.getEndTime().getTime() - i.getStartTime().getTime()) * 1.0 / 60 / 1000) * 0.3; } for(CallRecord i : userRecords.getCallingInLandRecords()) { cost += (int)Math.ceil((i.getEndTime().getTime() - i.getStartTime().getTime()) * 1.0 / 60 / 1000) * 0.6; } for(CallRecord i : userRecords.getAnswerInLandRecords()) { cost += (int)Math.ceil((i.getEndTime().getTime() - i.getStartTime().getTime()) * 1.0 / 60 / 1000) * 0.3; } return cost; } @Override public double getMonthlyRent() { return monthlyRent; } } public class Main { private static UserData userData = new UserData(); public static int isleap(int year) { if(year % 4 == 0 && year % 100 !=0 || year % 400 == 0) { return 1; } return 0; } public static boolean checkDate(int y,int m,int d) { int monthday[][] = {{0,31,28,31,30,31,30,31,31,30,31,30,31},{0,31,29,31,30,31,30,31,31,30,31,30,31}}; if(y >= 0 && m <=12 && m >= 1 && d >=1 && d <= monthday[isleap(y)][m]) { return true; } return false; } public static boolean checkInputone(String a) { if(a.equals("")) { return false; } if(Pattern.matches("u-\\d{10,12} [0-1]",a)) { return true; } else if(Pattern.matches("t-\\d{1,12} \\d{1,12} \\d{1,}.\\d{1,2}.\\d{1,2} ([0-1][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9] \\d{1,}.\\d{1,2}.\\d{1,2} ([0-1][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9]",a)) { String b[] = a.split(" "); String c[] = b[2].split("\\."); String d[] = b[4].split("\\."); for(int i = 0;i < 3;i ++) { if(c[i].charAt(0) == '0' || d[i].charAt(0) == '0') { return false; } } if(checkDate(Integer.parseInt(c[0]),Integer.parseInt(c[1]),Integer.parseInt(c[2])) && checkDate(Integer.parseInt(d[0]),Integer.parseInt(d[1]),Integer.parseInt(d[2]))) { return true; } } else if(Pattern.matches("t-\\d{11,11} \\d{1,} \\d{1,12} \\d{1,}.\\d{1,2}.\\d{1,2} ([0-1][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9] \\d{1,}.\\d{1,2}.\\d{1,2} ([0-1][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9]",a)) { String b[] = a.split(" "); String c[] = b[3].split("\\."); String d[] = b[5].split("\\."); for(int i = 0;i < 3;i ++) { if(c[i].charAt(0) == '0' || d[i].charAt(0) == '0') { return false; } } if(checkDate(Integer.parseInt(c[0]),Integer.parseInt(c[1]),Integer.parseInt(c[2])) && checkDate(Integer.parseInt(d[0]),Integer.parseInt(d[1]),Integer.parseInt(d[2]))) { return true; } } else if(Pattern.matches("t-\\d{11,11} \\d{1,} \\d{11,11} \\d{1,} \\d{1,}.\\d{1,2}.\\d{1,2} ([0-1][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9] \\d{1,}.\\d{1,2}.\\d{1,2} ([0-1][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9]",a)) { String b[] = a.split(" "); String c[] = b[4].split("\\."); String d[] = b[6].split("\\."); for(int i = 0;i < 3;i ++) { if(c[i].charAt(0) == '0' || d[i].charAt(0) == '0') { return false; } } if(checkDate(Integer.parseInt(c[0]),Integer.parseInt(c[1]),Integer.parseInt(c[2])) && checkDate(Integer.parseInt(d[0]),Integer.parseInt(d[1]),Integer.parseInt(d[2]))) { return true; } } else if(Pattern.matches("t-\\d{1,12} \\d{11,11} \\d{1,} \\d{1,}.\\d{1,2}.\\d{1,2} ([0-1][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9] \\d{1,}.\\d{1,2}.\\d{1,2} ([0-1][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9]",a)) { String b[] = a.split(" "); String c[] = b[3].split("\\."); String d[] = b[5].split("\\."); for(int i = 0;i < 3;i ++) { if(c[i].charAt(0) == '0' || d[i].charAt(0) == '0') { return false; } } if(checkDate(Integer.parseInt(c[0]),Integer.parseInt(c[1]),Integer.parseInt(c[2])) && checkDate(Integer.parseInt(d[0]),Integer.parseInt(d[1]),Integer.parseInt(d[2]))) { return true; } } return false; } public static ArrayList checkInput(ArrayList a) { for(int i = 0;i < a.size();i ++) { if(!checkInputone(a.get(i))) { a.remove(i); } } return a; } public static ArrayList getInput() { ArrayList a = new ArrayList (); Scanner in = new Scanner(System.in); String b = in.nextLine(); while(!b.equals("end")) { a.add(b); if(in.hasNextLine()) { b = in.nextLine(); } } return checkInput(a); } public static String ugetNumber(String a) { String b = ""; for(int i = 2;i < a.length();i ++) { if(a.charAt(i) == ' ') { break; } else { b += a.charAt(i); } } return b; } public static String processDate(String a) { String b = ""; for(int i = 0;i < a.length();i ++) { b += a.charAt(i); if(a.charAt(i) == '.') { for(int j = i + 1;j < a.length();j ++) { if(a.charAt(j) == '.' || a.charAt(j) == ' ') { if(j == i + 2) { b += '0'; } break; } } } } return b; } public static void workone(String a) throws ParseException { if(a.charAt(0) == 'u') { if(a.charAt(a.length() - 1) == '0') { userData.addUser(new User(ugetNumber(a),100,new LandlinePhoneCharging(20))); } else if(a.charAt(a.length() - 1) == '1') { userData.addUser(new User(ugetNumber(a),100,new LandmobilePhoneCharging(15))); } else { System.out.println("Wrong"); System.exit(0); } } else if(Pattern.matches("t-\\d{1,12} \\d{1,12} \\d{1,}.\\d{1,2}.\\d{1,2} ([0-1][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9] \\d{1,}.\\d{1,2}.\\d{1,2} ([0-1][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9]",a)) { a = a.substring(2); String b[] = a.split(" "); SimpleDateFormat sdf =new SimpleDateFormat("yyyy.MM.dd HH:mm:ss"); Date startDate = sdf.parse(processDate(b[2] + " " + b[3])); Date endDate = sdf.parse(processDate(b[4] + " " + b[5])); if(userData.phoneNumberFindUser(b[0]) != null) { userData.phoneNumberFindUser(b[0]).getUserRecords().addCallingInCityRecords(new CallRecord(startDate,endDate,b[0].substring(0, 4),b[1].substring(0, 4))); } if(userData.phoneNumberFindUser(b[1]) != null) { userData.phoneNumberFindUser(b[1]).getUserRecords().addAnswerInCityRecords(new CallRecord(startDate,endDate,b[0].substring(0, 4),b[1].substring(0, 4))); } } else if(Pattern.matches("t-\\d{11,11} \\d{1,} \\d{1,12} \\d{1,}.\\d{1,2}.\\d{1,2} ([0-1][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9] \\d{1,}.\\d{1,2}.\\d{1,2} ([0-1][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9]",a)) { a = a.substring(2); String b[] = a.split(" "); SimpleDateFormat sdf =new SimpleDateFormat("yyyy.MM.dd HH:mm:ss"); Date startDate = sdf.parse(processDate(b[3] + " " + b[4])); Date endDate = sdf.parse(processDate(b[5] + " " + b[6])); if(userData.phoneNumberFindUser(b[0]) != null) { if(b[1].equals("0791")) { userData.phoneNumberFindUser(b[0]).getUserRecords().addCallingInCityRecords(new CallRecord(startDate,endDate,b[1],b[2].substring(0, 4))); } else if(Pattern.matches("(079[0-9])|0701",b[1])) { userData.phoneNumberFindUser(b[0]).getUserRecords().addCallingInProvinceRecords(new CallRecord(startDate,endDate,b[1],b[2].substring(0, 4))); } else { userData.phoneNumberFindUser(b[0]).getUserRecords().addCallingInLandRecords(new CallRecord(startDate,endDate,b[1],b[2].substring(0, 4))); } } if(userData.phoneNumberFindUser(b[2]) != null) { userData.phoneNumberFindUser(b[2]).getUserRecords().addAnswerInCityRecords(new CallRecord(startDate,endDate,b[1],b[2].substring(0, 4))); } } else if(Pattern.matches("t-\\d{11,11} \\d{1,} \\d{11,11} \\d{1,} \\d{1,}.\\d{1,2}.\\d{1,2} ([0-1][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9] \\d{1,}.\\d{1,2}.\\d{1,2} ([0-1][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9]",a)) { a = a.substring(2); String b[] = a.split(" "); SimpleDateFormat sdf =new SimpleDateFormat("yyyy.MM.dd HH:mm:ss"); Date startDate = sdf.parse(processDate(b[4] + " " + b[5])); Date endDate = sdf.parse(processDate(b[6] + " " + b[7])); if(userData.phoneNumberFindUser(b[0]) != null) { if(b[1].equals("0791")) { userData.phoneNumberFindUser(b[0]).getUserRecords().addCallingInCityRecords(new CallRecord(startDate,endDate,b[1],b[3])); } else if(Pattern.matches("(079[0-9])|0701",b[1])) { userData.phoneNumberFindUser(b[0]).getUserRecords().addCallingInProvinceRecords(new CallRecord(startDate,endDate,b[1],b[3])); } else { userData.phoneNumberFindUser(b[0]).getUserRecords().addCallingInLandRecords(new CallRecord(startDate,endDate,b[1],b[3])); } } if(userData.phoneNumberFindUser(b[2]) != null) { if(b[3].equals("0791")) { userData.phoneNumberFindUser(b[2]).getUserRecords().addAnswerInCityRecords(new CallRecord(startDate,endDate,b[1],b[3])); } else if(Pattern.matches("(079[0-9])|0701",b[3])) { userData.phoneNumberFindUser(b[2]).getUserRecords().addAnswerInProvinceRecords(new CallRecord(startDate,endDate,b[1],b[3])); } else { userData.phoneNumberFindUser(b[2]).getUserRecords().addAnswerInLandRecords(new CallRecord(startDate,endDate,b[1],b[3])); } } } else if(Pattern.matches("t-\\d{1,12} \\d{11,11} \\d{1,} \\d{1,}.\\d{1,2}.\\d{1,2} ([0-1][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9] \\d{1,}.\\d{1,2}.\\d{1,2} ([0-1][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9]",a)) { a = a.substring(2); String b[] = a.split(" "); SimpleDateFormat sdf =new SimpleDateFormat("yyyy.MM.dd HH:mm:ss"); Date startDate = sdf.parse(processDate(b[3] + " " + b[4])); Date endDate = sdf.parse(processDate(b[5] + " " + b[6])); if(userData.phoneNumberFindUser(b[0]) != null) { userData.phoneNumberFindUser(b[0]).getUserRecords().addCallingInCityRecords(new CallRecord(startDate,endDate,b[0].substring(0, 4),b[2])); } if(userData.phoneNumberFindUser(b[1]) != null) { if(b[2].equals("0791")) { userData.phoneNumberFindUser(b[1]).getUserRecords().addAnswerInCityRecords(new CallRecord(startDate,endDate,b[0].substring(0, 4),b[2])); } else if(Pattern.matches("(079[0-9])|0701",b[2])) { userData.phoneNumberFindUser(b[1]).getUserRecords().addAnswerInProvinceRecords(new CallRecord(startDate,endDate,b[0].substring(0, 4),b[2])); } else { userData.phoneNumberFindUser(b[1]).getUserRecords().addAnswerInLandRecords(new CallRecord(startDate,endDate,b[0].substring(0, 4),b[2])); } } } } public static void work(ArrayList a) { for(String i : a) { try { workone(i); } catch (ParseException e) { // TODO Auto-generated catch block e.printStackTrace(); } } } public static String getOutput(ArrayList a) { work(a); return userData.show(); } public static void main(String[] args) { System.out.printf(getOutput(getInput())); } }
在读了例题二后，我才理解了这个例题的意思，然后修改了workone方法对数据存储进行了修改。至于还有一个计费规则的类我没用，可能是因为我懒得用了。
例题三的代码如下。
1 import java.util.Date; 2 import java.util.ArrayList; 3 import java.text.ParseException; 4 import java.text.SimpleDateFormat; 5 import java.util.Date; 6 import java.util.Scanner; 7 import java.util.regex.*; 8 9 10 11 abstract class CallChargeRule extends ChargeRule{ 12 13 public abstract double calCost(ArrayList例题三代码callRecords); 14 15 public CallChargeRule() { 16 // TODO Auto-generated constructor stub 17 } 18 19 } 20 class CallRecord extends CommunicationRecord{ 21 22 private Date startTime; 23 private Date endTime; 24 private String callingAddressAreaCode; 25 private String answerAddressAreaCode; 26 27 public CallRecord(Date date,Date date2,String callingAddressAreaCode,String answerAddressAreaCode,String callingNumber,String answerNumber) { 28 this.answerAddressAreaCode = answerAddressAreaCode; 29 this.callingAddressAreaCode = callingAddressAreaCode; 30 this.startTime = date; 31 this.endTime = date2; 32 this.setCallingNumber(callingNumber); 33 this.setAnswerNumber(answerNumber); 34 } 35 36 public Date getStartTime() { 37 return startTime; 38 } 39 40 public void setStartTime(Date startTime) { 41 this.startTime = startTime; 42 } 43 44 public Date getEndTime() { 45 return endTime; 46 } 47 48 public void setEndTime(Date endTime) { 49 this.endTime = endTime; 50 } 51 52 public String getCallingAddressAreaCode() { 53 return callingAddressAreaCode; 54 } 55 56 public void setCallingAddressAreaCode(String callingAddressAreaCode) { 57 this.callingAddressAreaCode = callingAddressAreaCode; 58 } 59 60 public String getAnswerAddressAreaCode() { 61 return answerAddressAreaCode; 62 } 63 64 public void setAnswerAddressAreaCode(String answerAddressAreaCode) { 65 this.answerAddressAreaCode = answerAddressAreaCode; 66 } 67 68 } 69 abstract class ChargeMode { 70 71 public ChargeMode() { 72 73 } 74 75 public abstract double calCost(UserRecords userRecords); 76 77 public abstract double getMonthlyRent(); 78 79 } 80 abstract class ChargeRule { 81 82 public ChargeRule() { 83 // TODO Auto-generated constructor stub 84 } 85 86 } 87 abstract class CommunicationRecord { 88 89 private String callingNumber; 90 private String answerNumber; 91 92 public String getCallingNumber() { 93 return callingNumber; 94 } 95 public void setCallingNumber(String callingNumber) { 96 this.callingNumber = callingNumber; 97 } 98 public String getAnswerNumber() { 99 return answerNumber; 100 } 101 public void setAnswerNumber(String answerNumber) { 102 this.answerNumber = answerNumber; 103 } 104 105 } 106 class LandlinePhoneCharging extends ChargeMode { 107 108 private double monthlyRent; 109 110 public LandlinePhoneCharging(double monthlyRent) { 111 this.monthlyRent = monthlyRent; 112 } 113 114 public double calCost(UserRecords userRecords) { 115 // TODO Auto-generated method stub 116 double cost = 0; 117 for(CallRecord i : userRecords.getCallingInCityRecords()) { 118 if(i.getAnswerAddressAreaCode().equals(i.getCallingAddressAreaCode())) { 119 cost += (int)Math.ceil((i.getEndTime().getTime() - i.getStartTime().getTime()) * 1.0 / 60 / 1000) * 0.1; 120 } 121 else if(Pattern.matches("(0701)|(079[0-9])",i.getAnswerAddressAreaCode())) { 122 cost += (int)Math.ceil((i.getEndTime().getTime() - i.getStartTime().getTime()) * 1.0 / 60 / 1000) * 0.3; 123 } 124 else { 125 cost += (int)Math.ceil((i.getEndTime().getTime() - i.getStartTime().getTime()) * 1.0 / 60 / 1000) * 0.6; 126 } 127 } 128 return cost; 129 } 130 131 @Override 132 public double getMonthlyRent() { 133 // TODO Auto-generated method stub 134 return monthlyRent; 135 } 136 137 } 138 class MessageRecord extends CommunicationRecord { 139 140 private String message; 141 142 public MessageRecord(String message,String callingNumber,String answerNumber) { 143 this.message = message; 144 this.setCallingNumber(callingNumber); 145 this.setAnswerNumber(answerNumber); 146 } 147 148 public String getMessage() { 149 return message; 150 } 151 152 public void setMessage(String message) { 153 this.message = message; 154 } 155 156 } 157 class User { 158 159 private UserRecords userRecords; 160 private double balance; 161 private ChargeMode chargeMode; 162 private String number; 163 164 public User(String number,double money,ChargeMode chargeMode) { 165 userRecords = new UserRecords(); 166 this.chargeMode = chargeMode; 167 this.balance = money; 168 this.number = number; 169 } 170 171 public double calBalance() { 172 return balance - calCost() - chargeMode.getMonthlyRent(); 173 } 174 175 public double calCost() { 176 return chargeMode.calCost(userRecords); 177 } 178 179 public UserRecords getUserRecords() { 180 return userRecords; 181 } 182 183 public void setUserRecords(UserRecords userRecords) { 184 this.userRecords = userRecords; 185 } 186 187 public double getBalance() { 188 return balance; 189 } 190 191 public void setBalance(double balance) { 192 this.balance = balance; 193 } 194 195 public ChargeMode getChargeMode() { 196 return chargeMode; 197 } 198 199 public void setChargeMode(ChargeMode chargeMode) { 200 this.chargeMode = chargeMode; 201 } 202 203 public String getNumber() { 204 return number; 205 } 206 207 public void setNumber(String number) { 208 this.number = number; 209 } 210 211 } 212 class UserData { 213 214 private ArrayList users; 215 216 public UserData() { 217 users = new ArrayList (); 218 } 219 220 public void addUser(User user) { 221 int x = 0; 222 for(int i = 0;i < users.size();i ++) { 223 if(user.getNumber().compareTo(users.get(i).getNumber()) < 0) { 224 users.add(i, user); 225 x = 1; 226 break; 227 } 228 else if(user.getNumber().compareTo(users.get(i).getNumber()) == 0) { 229 return; 230 } 231 } 232 if(x == 0) { 233 users.add(users.size(),user); 234 } 235 } 236 237 public void removeUser(User user) { 238 users.remove(user); 239 } 240 241 public ArrayList getUsers() { 242 return users; 243 } 244 245 public String show() { 246 String a = ""; 247 for(User i : users) { 248 a += ( i.getNumber() + " " + String.format("%.1f", i.calCost()) + " " + String.format("%.1f", i.calBalance())); 249 if(!i.getNumber().equals(users.get(users.size() - 1).getNumber())){ 250 a += "\n"; 251 } 252 } 253 return a; 254 } 255 256 public User phoneNumberFindUser(String number) { 257 for(User i : users) { 258 if(i.getNumber().equals(number)) { 259 return i; 260 } 261 } 262 return null; 263 } 264 265 } 266 class UserRecords { 267 268 private ArrayList callingInCityRecords; 269 private ArrayList callingInProvinceRecords; 270 private ArrayList callingInLandRecords; 271 private ArrayList answerInCityRecords; 272 private ArrayList answerInProvinceRecords; 273 private ArrayList answerInLandRecords; 274 private ArrayList sendMessageRecords; 275 private ArrayList receiveMessageRecords; 276 277 public UserRecords() { 278 callingInCityRecords = new ArrayList (); 279 callingInCityRecords = new ArrayList (); 280 callingInProvinceRecords = new ArrayList (); 281 callingInLandRecords = new ArrayList (); 282 answerInCityRecords = new ArrayList (); 283 answerInProvinceRecords = new ArrayList (); 284 answerInLandRecords = new ArrayList (); 285 sendMessageRecords = new ArrayList (); 286 receiveMessageRecords = new ArrayList (); 287 } 288 289 public void addCallingInCityRecords(CallRecord callRecord) { 290 this.callingInCityRecords.add(callRecord); 291 } 292 293 public void addCallingInProvinceRecords(CallRecord callRecord) { 294 this.callingInProvinceRecords.add(callRecord); 295 } 296 297 public void addCallingInLandRecords(CallRecord callRecord) { 298 this.callingInLandRecords.add(callRecord); 299 } 300 301 public void addAnswerInCityRecords(CallRecord callRecord) { 302 this.answerInCityRecords.add(callRecord); 303 } 304 305 public void addAnswerInProvinceRecords(CallRecord callRecord) { 306 this.answerInProvinceRecords.add(callRecord); 307 } 308 309 public void addAnswerInLandRecords(CallRecord callRecord) { 310 this.answerInLandRecords.add(callRecord); 311 } 312 313 public void addSendMessageRecords(MessageRecord messageRecord) { 314 this.sendMessageRecords.add(messageRecord); 315 } 316 317 public void addReceiveMessageRecords(MessageRecord messageRecord) { 318 this.receiveMessageRecords.add(messageRecord); 319 } 320 321 public ArrayList getCallingInCityRecords() { 322 return callingInCityRecords; 323 } 324 325 public ArrayList getCallingInProvinceRecords() { 326 return callingInProvinceRecords; 327 } 328 329 public ArrayList getCallingInLandRecords() { 330 return callingInLandRecords; 331 } 332 333 public ArrayList getAnswerInCityRecords() { 334 return answerInCityRecords; 335 } 336 337 public ArrayList getAnswerInProvinceRecords() { 338 return answerInProvinceRecords; 339 } 340 341 public ArrayList getAnswerInLandRecords() { 342 return answerInLandRecords; 343 } 344 345 public ArrayList getSendMessageRecords() { 346 return sendMessageRecords; 347 } 348 349 public ArrayList getReceiveMessageRecords() { 350 return receiveMessageRecords; 351 } 352 353 } 354 355 class LandmobilePhoneCharging extends ChargeMode { 356 357 private double monthlyRent; 358 359 public LandmobilePhoneCharging(double monthlyRent) { 360 this.monthlyRent = monthlyRent; 361 } 362 363 @Override 364 public double calCost(UserRecords userRecords) { 365 double cost = 0; 366 for(CallRecord i : userRecords.getCallingInCityRecords()) { 367 if(i.getAnswerAddressAreaCode().equals(i.getCallingAddressAreaCode())) { 368 cost += (int)Math.ceil((i.getEndTime().getTime() - i.getStartTime().getTime()) * 1.0 / 60 / 1000) * 0.1; 369 } 370 else if(Pattern.matches("(0701)|(079[0-9])",i.getAnswerAddressAreaCode())) { 371 cost += (int)Math.ceil((i.getEndTime().getTime() - i.getStartTime().getTime()) * 1.0 / 60 / 1000) * 0.2; 372 } 373 else { 374 cost += (int)Math.ceil((i.getEndTime().getTime() - i.getStartTime().getTime()) * 1.0 / 60 / 1000) * 0.3; 375 } 376 } 377 for(CallRecord i : userRecords.getCallingInProvinceRecords()) { 378 cost += (int)Math.ceil((i.getEndTime().getTime() - i.getStartTime().getTime()) * 1.0 / 60 / 1000) * 0.3; 379 } 380 for(CallRecord i : userRecords.getCallingInLandRecords()) { 381 cost += (int)Math.ceil((i.getEndTime().getTime() - i.getStartTime().getTime()) * 1.0 / 60 / 1000) * 0.6; 382 } 383 for(CallRecord i : userRecords.getAnswerInLandRecords()) { 384 cost += (int)Math.ceil((i.getEndTime().getTime() - i.getStartTime().getTime()) * 1.0 / 60 / 1000) * 0.3; 385 } 386 int messageNum = 0; 387 for(MessageRecord i : userRecords.getSendMessageRecords()) { 388 messageNum += Math.ceil(i.getMessage().length() / 10.0); 389 } 390 if(messageNum <= 3) { 391 cost += messageNum*0.1; 392 } 393 else if(messageNum <= 5) { 394 cost += ((messageNum - 3) * 0.2 + 0.3); 395 } 396 else { 397 cost += ((messageNum - 5) * 0.3 + 0.7); 398 } 399 return cost; 400 } 401 402 @Override 403 public double getMonthlyRent() { 404 return monthlyRent; 405 } 406 407 } 408 409 public class Main { 410 411 private static UserData userData = new UserData(); 412 413 public static int isleap(int year) { 414 if(year % 4 == 0 && year % 100 !=0 || year % 400 == 0) { 415 return 1; 416 } 417 return 0; 418 } 419 420 public static boolean checkDate(int y,int m,int d) { 421 int monthday[][] = {{0,31,28,31,30,31,30,31,31,30,31,30,31},{0,31,29,31,30,31,30,31,31,30,31,30,31}}; 422 if(y >= 0 && m <=12 && m >= 1 && d >=1 && d <= monthday[isleap(y)][m]) { 423 return true; 424 } 425 return false; 426 } 427 428 public static boolean checkInputone(String a) { 429 if(a.equals("")) { 430 return false; 431 } 432 if(Pattern.matches("u-\\d{11,12} [0-3]",a)) { 433 return true; 434 } 435 else if(Pattern.matches("t-\\d{11,12} \\d{11,12} \\d{1,}.\\d{1,2}.\\d{1,2} ([0-1][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9] \\d{1,}.\\d{1,2}.\\d{1,2} ([0-1][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9]",a)) { 436 String b[] = a.split(" "); 437 String c[] = b[2].split("\\."); 438 String d[] = b[4].split("\\."); 439 for(int i = 0;i < 3;i ++) { 440 if(c[i].charAt(0) == '0' || d[i].charAt(0) == '0') { 441 return false; 442 } 443 } 444 if(checkDate(Integer.parseInt(c[0]),Integer.parseInt(c[1]),Integer.parseInt(c[2])) && checkDate(Integer.parseInt(d[0]),Integer.parseInt(d[1]),Integer.parseInt(d[2]))) { 445 return true; 446 } 447 } 448 else if(Pattern.matches("t-\\d{11,11} \\d{1,} \\d{11,12} \\d{1,}.\\d{1,2}.\\d{1,2} ([0-1][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9] \\d{1,}.\\d{1,2}.\\d{1,2} ([0-1][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9]",a)) { 449 return true; 450 } 451 else if(Pattern.matches("t-\\d{11,11} \\d{1,} \\d{11,11} \\d{1,} \\d{1,}.\\d{1,2}.\\d{1,2} ([0-1][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9] \\d{1,}.\\d{1,2}.\\d{1,2} ([0-1][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9]",a)) { 452 return true; 453 } 454 else if(Pattern.matches("t-\\d{11,12} \\d{11,11} \\d{1,} \\d{1,}.\\d{1,2}.\\d{1,2} ([0-1][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9] \\d{1,}.\\d{1,2}.\\d{1,2} ([0-1][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9]",a)) { 455 return true; 456 } 457 else if(Pattern.matches("^m-1\\d{10,10} 1\\d{10,10} [\\s,.\\da-zA-Z]+$",a)){ 458 return true; 459 } 460 return false; 461 } 462 463 public static ArrayList checkInput(ArrayList a) { 464 for(int i = 0;i < a.size();i ++) { 465 if(!checkInputone(a.get(i))) { 466 a.remove(i); 467 } 468 } 469 return a; 470 } 471 472 public static ArrayList getInput() { 473 ArrayList a = new ArrayList (); 474 Scanner in = new Scanner(System.in); 475 String b = in.nextLine(); 476 while(!b.equals("end")) { 477 a.add(b); 478 if(in.hasNextLine()) { 479 b = in.nextLine(); 480 } 481 } 482 return checkInput(a); 483 } 484 485 public static String ugetNumber(String a) { 486 String b = ""; 487 for(int i = 2;i < a.length();i ++) { 488 if(a.charAt(i) == ' ') { 489 break; 490 } 491 else { 492 b += a.charAt(i); 493 } 494 } 495 return b; 496 } 497 498 public static String processDate(String a) { 499 String b = ""; 500 for(int i = 0;i < a.length();i ++) { 501 b += a.charAt(i); 502 if(a.charAt(i) == '.') { 503 for(int j = i + 1;j < a.length();j ++) { 504 if(a.charAt(j) == '.' || a.charAt(j) == ' ') { 505 if(j == i + 2) { 506 b += '0'; 507 } 508 break; 509 } 510 } 511 } 512 } 513 return b; 514 } 515 516 public static void workone(String a) throws ParseException { 517 if(a.charAt(0) == 'u') { 518 if(a.charAt(a.length() - 1) == '0') { 519 userData.addUser(new User(ugetNumber(a),100,new LandlinePhoneCharging(20))); 520 } 521 else if(a.charAt(a.length() - 1) == '1') { 522 userData.addUser(new User(ugetNumber(a),100,new LandmobilePhoneCharging(15))); 523 } 524 else if(a.charAt(a.length() - 1) == '3') { 525 userData.addUser(new User(ugetNumber(a),100,new LandmobilePhoneCharging(0))); 526 } 527 else { 528 System.out.println("Wrong"); 529 System.exit(0); 530 } 531 } 532 else if(Pattern.matches("t-\\d{11,12} \\d{11,12} \\d{1,}.\\d{1,2}.\\d{1,2} ([0-1][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9] \\d{1,}.\\d{1,2}.\\d{1,2} ([0-1][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9]",a)) { 533 a = a.substring(2); 534 String b[] = a.split(" "); 535 SimpleDateFormat sdf =new SimpleDateFormat("yyyy.MM.dd HH:mm:ss"); 536 Date startDate = sdf.parse(processDate(b[2] + " " + b[3])); 537 Date endDate = sdf.parse(processDate(b[4] + " " + b[5])); 538 if(userData.phoneNumberFindUser(b[0]) != null) { 539 userData.phoneNumberFindUser(b[0]).getUserRecords().addCallingInCityRecords(new CallRecord(startDate,endDate,b[0].substring(0, 4),b[1].substring(0, 4),b[0],b[1])); 540 } 541 if(userData.phoneNumberFindUser(b[1]) != null) { 542 userData.phoneNumberFindUser(b[1]).getUserRecords().addAnswerInCityRecords(new CallRecord(startDate,endDate,b[0].substring(0, 4),b[1].substring(0, 4),b[0],b[1])); 543 } 544 } 545 else if(Pattern.matches("t-\\d{11,11} \\d{1,} \\d{11,12} \\d{1,}.\\d{1,2}.\\d{1,2} ([0-1][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9] \\d{1,}.\\d{1,2}.\\d{1,2} ([0-1][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9]",a)) { 546 a = a.substring(2); 547 String b[] = a.split(" "); 548 SimpleDateFormat sdf =new SimpleDateFormat("yyyy.MM.dd HH:mm:ss"); 549 Date startDate = sdf.parse(processDate(b[3] + " " + b[4])); 550 Date endDate = sdf.parse(processDate(b[5] + " " + b[6])); 551 if(userData.phoneNumberFindUser(b[0]) != null) { 552 if(b[1].equals("0791")) { 553 userData.phoneNumberFindUser(b[0]).getUserRecords().addCallingInCityRecords(new CallRecord(startDate,endDate,b[1],b[2].substring(0, 4),b[0],b[2])); 554 } 555 else if(Pattern.matches("(079[0-9])|0701",b[1])) { 556 userData.phoneNumberFindUser(b[0]).getUserRecords().addCallingInProvinceRecords(new CallRecord(startDate,endDate,b[1],b[2].substring(0, 4),b[0],b[2])); 557 } 558 else { 559 userData.phoneNumberFindUser(b[0]).getUserRecords().addCallingInLandRecords(new CallRecord(startDate,endDate,b[1],b[2].substring(0, 4),b[0],b[2])); 560 } 561 } 562 if(userData.phoneNumberFindUser(b[2]) != null) { 563 userData.phoneNumberFindUser(b[2]).getUserRecords().addAnswerInCityRecords(new CallRecord(startDate,endDate,b[1],b[2].substring(0, 4),b[0],b[2])); 564 } 565 } 566 else if(Pattern.matches("t-\\d{11,11} \\d{1,} \\d{11,11} \\d{1,} \\d{1,}.\\d{1,2}.\\d{1,2} ([0-1][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9] \\d{1,}.\\d{1,2}.\\d{1,2} ([0-1][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9]",a)) { 567 a = a.substring(2); 568 String b[] = a.split(" "); 569 SimpleDateFormat sdf =new SimpleDateFormat("yyyy.MM.dd HH:mm:ss"); 570 Date startDate = sdf.parse(processDate(b[4] + " " + b[5])); 571 Date endDate = sdf.parse(processDate(b[6] + " " + b[7])); 572 if(userData.phoneNumberFindUser(b[0]) != null) { 573 if(b[1].equals("0791")) { 574 userData.phoneNumberFindUser(b[0]).getUserRecords().addCallingInCityRecords(new CallRecord(startDate,endDate,b[1],b[3],b[0],b[2])); 575 } 576 else if(Pattern.matches("(079[0-9])|0701",b[1])) { 577 userData.phoneNumberFindUser(b[0]).getUserRecords().addCallingInProvinceRecords(new CallRecord(startDate,endDate,b[1],b[3],b[0],b[2])); 578 } 579 else { 580 userData.phoneNumberFindUser(b[0]).getUserRecords().addCallingInLandRecords(new CallRecord(startDate,endDate,b[1],b[3],b[0],b[2])); 581 } 582 } 583 if(userData.phoneNumberFindUser(b[2]) != null) { 584 if(b[3].equals("0791")) { 585 userData.phoneNumberFindUser(b[2]).getUserRecords().addAnswerInCityRecords(new CallRecord(startDate,endDate,b[1],b[3],b[0],b[2])); 586 } 587 else if(Pattern.matches("(079[0-9])|0701",b[3])) { 588 userData.phoneNumberFindUser(b[2]).getUserRecords().addAnswerInProvinceRecords(new CallRecord(startDate,endDate,b[1],b[3],b[0],b[2])); 589 } 590 else { 591 userData.phoneNumberFindUser(b[2]).getUserRecords().addAnswerInLandRecords(new CallRecord(startDate,endDate,b[1],b[3],b[0],b[2])); 592 } 593 } 594 } 595 else if(Pattern.matches("t-\\d{11,12} \\d{11,11} \\d{1,} \\d{1,}.\\d{1,2}.\\d{1,2} ([0-1][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9] \\d{1,}.\\d{1,2}.\\d{1,2} ([0-1][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9]",a)) { 596 a = a.substring(2); 597 String b[] = a.split(" "); 598 SimpleDateFormat sdf =new SimpleDateFormat("yyyy.MM.dd HH:mm:ss"); 599 Date startDate = sdf.parse(processDate(b[3] + " " + b[4])); 600 Date endDate = sdf.parse(processDate(b[5] + " " + b[6])); 601 if(userData.phoneNumberFindUser(b[0]) != null) { 602 userData.phoneNumberFindUser(b[0]).getUserRecords().addCallingInCityRecords(new CallRecord(startDate,endDate,b[0].substring(0, 4),b[2],b[0],b[1])); 603 } 604 if(userData.phoneNumberFindUser(b[1]) != null) { 605 if(b[2].equals("0791")) { 606 userData.phoneNumberFindUser(b[1]).getUserRecords().addAnswerInCityRecords(new CallRecord(startDate,endDate,b[0].substring(0, 4),b[2],b[0],b[1])); 607 } 608 else if(Pattern.matches("(079[0-9])|0701",b[2])) { 609 userData.phoneNumberFindUser(b[1]).getUserRecords().addAnswerInProvinceRecords(new CallRecord(startDate,endDate,b[0].substring(0, 4),b[2],b[0],b[1])); 610 } 611 else { 612 userData.phoneNumberFindUser(b[1]).getUserRecords().addAnswerInLandRecords(new CallRecord(startDate,endDate,b[0].substring(0, 4),b[2],b[0],b[1])); 613 } 614 } 615 } 616 else if(Pattern.matches("^m-1\\d{10,10} 1\\d{10,10} [\\s,.\\da-zA-Z]+$",a)) { 617 a = a.substring(2); 618 String b[] = new String[5]; 619 b[0] = a.substring(0,11); 620 b[1] = a.substring(12,23); 621 b[3] = a.substring(24); 622 if(userData.phoneNumberFindUser(b[0]) != null) { 623 userData.phoneNumberFindUser(b[0]).getUserRecords().addSendMessageRecords(new MessageRecord(b[3],b[0],b[1])); 624 } 625 if(userData.phoneNumberFindUser(b[1]) != null) { 626 userData.phoneNumberFindUser(b[0]).getUserRecords().addReceiveMessageRecords(new MessageRecord(b[3],b[0],b[1])); 627 } 628 } 629 } 630 631 public static void work(ArrayList a) { 632 for(String i : a) { 633 try { 634 workone(i); 635 } catch (ParseException e) { 636 // TODO Auto-generated catch block 637 e.printStackTrace(); 638 } 639 } 640 } 641 642 public static String getOutput(ArrayList a) { 643 work(a); 644 return userData.show(); 645 } 646 647 public static void main(String[] args) { 648 System.out.printf(getOutput(getInput())); 649 } 650 651 }
例题三的代码没有很大的新意。
总结：
这三个例题带给我一个新的体验，就是，我从代码运行报错发现了事情运行的逻辑错误，这就是面向对象很有意思的地方。